projects
/
musl
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
fix possible failure-to-wake deadlock with robust mutexes
[musl]
/
src
/
stdio
/
vswprintf.c
diff --git
a/src/stdio/vswprintf.c
b/src/stdio/vswprintf.c
index
2d9f200
..
7d237ba
100644
(file)
--- a/
src/stdio/vswprintf.c
+++ b/
src/stdio/vswprintf.c
@@
-1,4
+1,9
@@
#include "stdio_impl.h"
#include "stdio_impl.h"
+#include <limits.h>
+#include <string.h>
+#include <errno.h>
+#include <stdint.h>
+#include <wchar.h>
struct cookie {
wchar_t *ws;
struct cookie {
wchar_t *ws;
@@
-10,6
+15,8
@@
static size_t sw_write(FILE *f, const unsigned char *s, size_t l)
size_t l0 = l;
int i = 0;
struct cookie *c = f->cookie;
size_t l0 = l;
int i = 0;
struct cookie *c = f->cookie;
+ if (s!=f->wbase && sw_write(f, f->wbase, f->wpos-f->wbase)==-1)
+ return -1;
while (c->l && l && (i=mbtowc(c->ws, (void *)s, l))>=0) {
s+=i;
l-=i;
while (c->l && l && (i=mbtowc(c->ws, (void *)s, l))>=0) {
s+=i;
l-=i;
@@
-20,7
+27,7
@@
static size_t sw_write(FILE *f, const unsigned char *s, size_t l)
return i<0 ? i : l0;
}
return i<0 ? i : l0;
}
-int vswprintf(wchar_t *
s, size_t n, const wchar_t *
fmt, va_list ap)
+int vswprintf(wchar_t *
restrict s, size_t n, const wchar_t *restrict
fmt, va_list ap)
{
int r;
FILE f;
{
int r;
FILE f;
@@
-41,6
+48,6
@@
int vswprintf(wchar_t *s, size_t n, const wchar_t *fmt, va_list ap)
return -1;
}
r = vfwprintf(&f, fmt, ap);
return -1;
}
r = vfwprintf(&f, fmt, ap);
-
__oflow(&f
);
+
sw_write(&f, 0, 0
);
return r>=n ? -1 : r;
}
return r>=n ? -1 : r;
}